申请人 |
SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;YEBOAH, JONATHAN;UJEREH, SEBASTINE, JR,;VILLEGAS, LAURENT;DEL CAMPO, CHRIS |
发明人 |
YEBOAH, JONATHAN;UJEREH, SEBASTINE, JR,;VILLEGAS, LAURENT;DEL CAMPO, CHRIS |